Answers:

1. Panchathanthiram

Kamal name - Ram

Simran - Mythili

Friends travel to Bangalore

Kamal is a pilot

2. Viswasam

Movie begins with Kovil Thiruvizha

Ajith name is Thookudurai

Nayanthara goes to Mumbai

Nayanthara is a doctor

3. Dasavatharam

Perumal statue

Tsunami scene

Ten avatars

Virus (kirumi)

4. Pokkiri

Vijay name - Tamil, Sathyamoorthy

Villain - Guru, Ali bhai